package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;


    @PostMapping
    @ApiOperation("新增菜品")
    public Result saveWithFlavor(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品：{}",dishDTO);
        dishService.saveWithFlavor(dishDTO);

        //清理缓存
        String key="dish_" + dishDTO.getId();
        redisTemplate.delete(key);
        return Result.success(dishDTO);
    }

    @GetMapping("/page")
    @ApiOperation("菜品分页查询相关接口")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询：{}",dishPageQueryDTO);
        PageResult pageResult= dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 菜品的批量删除
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("菜品的批量删除")
    public Result delete(@RequestParam List<Long> ids){ //这个注解是SpringMVC框架自动解析传过来的String，按逗号分隔，然后组成集合
        log.info("菜品批量删除：{}",ids);
        dishService.deleteBatch(ids);

        //清理缓存,将所有菜品的缓存数据清理掉
        cleanCache("dish_*");

        return Result.success(ids);
    }


    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品：{}",id);
        DishVO dishVO=dishService.getById(id);
        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("修改菜品")
    public Result modify(@RequestBody DishDTO dishDTO){
        log.info("开始修改该菜品：{}",dishDTO);
        dishService.modify(dishDTO);

        //清理缓存,将所有菜品的缓存数据清理掉
        cleanCache("dish_*");


        return Result.success();
    }


    /**
     * 菜品的启售和停售
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("菜品的起售和停售")
    public Result startOrStop(@PathVariable String status,String id){
        log.info("开始执行菜品的启售和停售:{}",id);
        dishService.startOrStop(status,id);

        //清理缓存,将所有菜品的缓存数据清理掉
        cleanCache("dish_*");

        return  Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }


    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys=redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
